PWC Forum: The best hang-out for Personal WaterCraft enthusiasts - View Single Post - 98 Yamaha XL1200 Won't Go Full Speed
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Old 07-04-2009, 06:43 AM   #6 (permalink)
GCwaverunner
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Join Date: Jun 2009
Location: Australia
Posts: 323
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DILTS, post your problem with full details and I can help you. Guys, have you done the usual, checked the compression etc. 98 XL is a different motor to the 99XLT. SO for the 98, I would check the continuity for the high tension leads and plug caps. The old 1200 motors are well known for crappy HT leads. Have the carbs been done recently?, because the old 1200 motors are also well known for destroying check valves in the fuel pumps. There was an updated fuel pump body released as a update for that motor some years later. It is not painted so you will know if you have the updated version. Also, is this happening when the fuel tap is on reserve??? 99XLT do knock out cat convertors causing an intermittent problem usually during sharp turns( dur to the pieces getting stuck in exhaust, waterbox etc), however you have not provided much info about the problem.
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